docs: def get_code(self, *args, **kwargs):
      """
      get the python source code from callback
      """
      # FIXME: Honestly should allow multiple commands
      callback = self._commands[args[0]]
      # TODO: syntax color would be nice
      source = _inspect.getsourcelines(callback)[0]
      """
      source_len = len(source)
      source = PygmentsLexer(CythonLexer).lex_document(source)()
      """
      # FIXME: formatting sucks
      return "\n" + "".join(source)